Characteristics* Patients with Macro-vascular disease Patients without Macro-vascular disease Age - median in yrs. (IQR) 72 ( 68-77) 70 ( 67-75) Duration of diabetes-mean in yrs. (SD) 37.7 (14.9) 33.6 (14.0) Gender N (%) Male Female 229 (58.1) 165(41.9) 325 (53.8) 278 (46.2) Smoking status N (%) Never smoked Smoker or Ex-smoker 132 (33.8) 259 (66.2) 255 (42.4) 346 (57.6) Hypertension N (%) Yes No 138 (35.0) 256 (65.0) 251 (41.6) 352 (58.4) HbA1c – mean % (SD) 8.3 (1.4) 8.10 (1.2) *SD: Standard Deviation; IQR: Inter Quartile Range Smoking status was not recorded for 3 patients with MVD and 2 without MVD

Table 1: Characteristics of elderly patients with type 1 diabetes with and without macrovascular disease.